Pelgrim OVM824MAT Manuel D'utilisation page 153

Shabbat
In this mode, set the temperature between 85 and 180 °C and
the time (up to 74 hours) of Sabbath duration. Press START to
start the countdown. A light will be lit in the oven. All sounds and
operation, except for the ON/OFF key, will be deactivated. When
the process is complete, the settings can be stored.
In the case of power outage, Shabbat mode is cancelled and
oven goes back in the start position.
Warning: producer is not responsible for unproper use of
Shabbat mode.
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